<html>
<head>
    <style>
        div {
            width: 100%;
            height: 100%;
        }
        span {
            width: 550px;
            height: 40px;
            margin: 250px auto;
            font-size: 25px;
            display: block;
            color: #808080;
        }
    </style>
</head>
<body>
<div>
    <span>该功能尚未开发，敬请期待！</span>
</div>
</body>
</html>
